Name:    9th Grade Physics - Motion Practice Test 1

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

The result of distance divided by time (d/t = ?)  is
 a. constant speed c. average velocity b. variable speed d. average speed

2.

Kilometers per hour (km/hour ) represents
 a. constant velocity c. average velocity b. average speed d. constant speed

3.

Which values are necessary to find velocity?
 a. elapsed time, distance, and direction c. initial time, ending time, distance b. elapsed time and distance d. initial time, direction, and distance

4.

A sprinter finished his 100 meter race in 10 seconds, find his average speed for the race.
 a. 10 m/s c. 100 m/s b. 0.10 m/s d. 1000 m/s

5.

A truck travels 90 km/hr in a northwest direction, the variables will describe the truck’s
 a. average velocity c. average speed b. acceleration d. deceleration

6.

Given: distance = 20 meters, time = 2 seconds.  Find average speed.
 a. 2 m/s c. 40 m/s b. 10 m/s d. 0.1 m/s

7.

Given: distance = 100 meters, average speed = 20 m/s.  Find time.
 a. 200 seconds c. 100 seconds b. 20 seconds d. 5 seconds

8.

Given: time = 30 seconds, 10 meters/second.  Find distance.
 a. 10 meters c. 0.3 meters b. 300 meters d. 30 meters

9.

A rubber ball is dropped from rest from a height of 10 meters above the ground.  The rubber ball free falls and reaches the ground 2 seconds later.  What was the average speed of the rubber ball?
 a. 20 m/s c. 0.2 m/s b. 5 m/s d. 10 m/s

10.

An athlete can run 20 kilometers in 2 hours.  If the athlete runs at that same average speed for 1 hour, how far will the athlete run.
 a. 10 km c. 5 km b. 20 km d. 40 km

11.

Which of the following represents the velocity of a moving car?
 a. 50 m/s, in a southern direction c. 50 m, in a southern direction b. 50 m/s d. 50

12.

A pizza delivery driver applied a constant force to a car.  A graph of the car’s movement is shown above.  Which of the following can best explain the change in velocity at time X?
 a. The car’s momentum became greater than its inertia c. The car began traveling up a hill b. The car began to drive on a curved road d. The car changed from a rough road to a smooth road with less friction

13.

The graph above shows the movement of a ball at several points in time.  What is the average speed of the object?
 a. 0.5 m/min c. 4 m/min b. 2 m/min d. 50 m/min

14.

The graph above shows the distance traveled by a mouse in a straight line.  If the mouse keeps moving at the same speed in a straight line, how far will the mouse travel in 30 seconds
 a. 8 cm c. 10.0 cm b. 12.0 cm d. 11.0 cm

15.

Which distance-time graph above shows that an object moved at a constant speed and then stopped moving?
 a. A c. C b. B d. D